Home / 21,845,989.80-32,789,979.90-11,075,452.20

Finding the Fourth Proportional to 21,845,989.80, 32,789,979.90 and 11,075,452.20

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Solution

The fourth proportional to 21,845,989.80, 32,789,979.90 and 11,075,452.20 is: 16,623,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,989.80 : 32,789,979.90 = 11,075,452.20 : x
  2. Step 2: Convert to fraction form
    21,845,989.80/32,789,979.90 = 11,075,452.20/x
  3. Step 3: Cross multiply
    21,845,989.80x = 32,789,979.90 × 11,075,452.20
  4. Step 4: Simplify right side
    21,845,989.80x = 363,163,855,021,410.75
  5. Step 5: Solve for x
    x = 363,163,855,021,410.75/21,845,989.80
  6. Step 6: Final answer
    x = 16,623,822.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.